5. Decrypt using Mono Alphabetic Cipher (1 mark) Cipher text = Pvxwe ko w Zvvx Xwe Key = WGHXyIZJKLRSTUVMQNOPABCDEF

6. Break the follow message encrypted with mono alphabetic substitution cipher.

(Enter the plaintext in capital letters. (3 marks)

7. Enter the key you used for

Q6 (1 mark) Vkz qazy oj aqhqvyr ifuuzsin qb sov y uzryvqwzrn szm osz, xfv sov fsvqr uzizsvrn kyb qv xzzs bfiizbbjfrrn qltrzlzsvza. Qs kqb tytzu, kz tuzbzsvza ys qazy oj fsvuyizyxrz zrzivuosqi lyqr, uzvfus yaauzbbzb, ysa aqhqvyr tbzfaosnlb, xybza os tfxrqi pzn iuntvohuytkn.Kqb vziksqgfz aqasv uzgfquz y vufbvza yfvkouqvn ysa vkz iouuzbtosazsvb iofra xz ysosnlofb.Kz tuzbzsvza mqvk ys qazy oj zrzivuosqi iybk yrbo mqvk tfxrqi pzn iuntvohuytkn, xfv vkzqu yttuoyik myb qsvzsaza jou fbz mqvk xyspb yb izsvuyr vufbv yfvkouqvqzb. Komzwzu, vkzbz yttuoyikzb zqvkzu uzgfquza y vufbvza tyuvn qs vkz joul oj xyspb ou aqasv gfqvz borwz vkz aofxrz-btzsaqsh tuoxrzl. Qs vkz izsvuyrqdza borfvqos, xyspb ou ovkzu vufbvza yfvkouqvqzb iys tuzwzsv vkz yvvzltv oj tyuyrrzr qbbfysiz oj vmo vuysbyivqosb, xfv qs azizsvuyrqdza bnbvzl, yb qs iuntvoifuuzsin, vkqb tuoxrzl iyuuqzb huzyv qltouvysiz.